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Green Communications and Networking
book

Green Communications and Networking

by F. Richard Yu, Xi Zhang, Victor C.M. Leung
April 2016
Intermediate to advanced content levelIntermediate to advanced
399 pages
11h 49m
English
CRC Press
Content preview from Green Communications and Networking
52 Wireless Networks Resources Trading for QoS Performance
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
0
0.5
1
1.5
2
2.5
x 10
4
the frequency access ratio of femtocells
green factor(b/J)
N
f
=10
N
f
=30
N
f
=50
N
f
=70
N
f
=90
N
f
=110
Figure 2.16: Green factor versus frequency access ratio of femtocells (η =0.1).
1. When N
f
is less than 30, the green factor increases when r
f
increases.
When N
f
is larger than 50, the green factor first increases, and then
decreases when r
f
increases. The more femtocells, the larger spectrum
efficiency can be obtained. But, the more femtocells, the larger inter-
ference among femtocells. Thus, it is desirable to fully utilize femtocells
when N
f
is small ...
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Publisher Resources

ISBN: 9781439899144